/*********************************************************************
 * Copyright (C) 2002 Andrew Khan
 * <p>
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 * <p>
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 * <p>
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
 ***************************************************************************/

package jxl.format;

/**
 * Enumeration type which describes the orientation of data within a cell
 */
public final class Orientation {
    /**
     * The internal binary value which gets written to the generated Excel file
     */
    private int value;

    /**
     * The textual description
     */
    private String string;

    /**
     * The list of alignments
     */
    private static Orientation[] orientations = new Orientation[0];

    /**
     * Constructor
     *
     * @param val
     */
    protected Orientation(int val, String s) {
        value = val;
        string = s;

        Orientation[] oldorients = orientations;
        orientations = new Orientation[oldorients.length + 1];
        System.arraycopy(oldorients, 0, orientations, 0, oldorients.length);
        orientations[oldorients.length] = this;
    }

    /**
     * Accessor for the binary value
     *
     * @return the internal binary value
     */
    public int getValue() {
        return value;
    }

    /**
     * Gets the textual description
     */
    public String getDescription() {
        return string;
    }

    /**
     * Gets the alignment from the value
     *
     * @param val
     * @return the alignment with that value
     */
    public static Orientation getOrientation(int val) {
        for (int i = 0; i < orientations.length; i++) {
            if (orientations[i].getValue() == val) {
                return orientations[i];
            }
        }

        return HORIZONTAL;
    }


    /**
     * Cells with this specified orientation will be horizontal
     */
    public static Orientation HORIZONTAL = new Orientation(0, "horizontal");
    /**
     * Cells with this specified orientation have their data
     * presented vertically
     */
    public static Orientation VERTICAL = new Orientation(0xff, "vertical");
    /**
     * Cells with this specified orientation will have their data
     * presented with a rotation of 90 degrees upwards
     */
    public static Orientation PLUS_90 = new Orientation(90, "up 90");
    /**
     * Cells with this specified orientation will have their data
     * presented with a rotation of 90 degrees downwards
     */
    public static Orientation MINUS_90 = new Orientation(180, "down 90");
    /**
     * Cells with this specified orientation will have their data
     * presented with a rotation 45 degrees upwards
     */
    public static Orientation PLUS_45 = new Orientation(45, "up 45");
    /**
     * Cells with this specified orientation will have their data
     * presented with a rotation 45 degrees downwards
     */
    public static Orientation MINUS_45 = new Orientation(135, "down 45");
    /**
     * Cells with this specified orientation will have their text stacked
     * downwards, but not rotated
     */
    public static Orientation STACKED = new Orientation(255, "stacked");

}









